The subsequent developments of the incident involving the expulsion of Peeves were somewhat unexpected. The Ministry of Magic's intervention in Hogwarts was not as fierce as anticipated; in fact, one could say there was no intervention at all, as if the Ministry had completely forgotten about Hogwarts.
Without the odious Toad, Hogwarts regained a new lease of life.
The once arrogant Inquisitorial Squad, having lost Umbridge's protection, became the target of everyone's retaliation. It was said they were found locked in the lavatories the very next day.
Chapter 1004